Low latitude scintillation and TEC variability on the ascending phase of the solar cycle

Severe space weather events can affect radio wave signals used in satellite communication, navigation, and surveillance operations. One of the phenomena that can degrade GNSS signals is the ionospheric scintillation associated with equatorial irregularities producing rapid fluctuations of radio waves signals amplitude and phase that propagate through the ionosphere. In this work, we investigate the scintillation characteristics and the correlation between solar activity and ionospheric GNSS TEC and position approximation from LISN stations at low latitudes during the ascending phase of the current solar cycle. In addition, we analyze the effect of M and X-class solar flares on the behavior of TEC and the measurements of ground-based instruments at the Jicamarca Radio Observatory and compare them with observations under geomagnetic quiet conditions.